private void BackRequested(object eventArgs) { if (WaitingPanelHelper.IsWaitingPanelExisted()) { WaitingPanelHelper.HiddenWaitingPanel(); if (formAction != null) { formAction.Absort(); } setArgsHandleTrue(eventArgs); } var page = CommonHelper.HostPage; if (page != null && page.CanGoBack) { page.GoBack(); setArgsHandleTrue(eventArgs); } }